Home / 825,833.37-1,139,415.76-481,684.32

Finding the Fourth Proportional to 825,833.37, 1,139,415.76 and 481,684.32

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Solution

The fourth proportional to 825,833.37, 1,139,415.76 and 481,684.32 is: 664,587.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,833.37 : 1,139,415.76 = 481,684.32 : x
  2. Step 2: Convert to fraction form
    825,833.37/1,139,415.76 = 481,684.32/x
  3. Step 3: Cross multiply
    825,833.37x = 1,139,415.76 × 481,684.32
  4. Step 4: Simplify right side
    825,833.37x = 548,838,706,154.99
  5. Step 5: Solve for x
    x = 548,838,706,154.99/825,833.37
  6. Step 6: Final answer
    x = 664,587.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.